1 #ifndef _ASM_X86_PLATFORM_H 2 #define _ASM_X86_PLATFORM_H 3 4 #include <asm/pgtable_types.h> 5 #include <asm/bootparam.h> 6 7 struct mpc_bus; 8 struct mpc_cpu; 9 struct mpc_table; 10 11 /** 12 * struct x86_init_mpparse - platform specific mpparse ops 13 * @mpc_record: platform specific mpc record accounting 14 * @setup_ioapic_ids: platform specific ioapic id override 15 * @mpc_apic_id: platform specific mpc apic id assignment 16 * @smp_read_mpc_oem: platform specific oem mpc table setup 17 * @mpc_oem_pci_bus: platform specific pci bus setup (default NULL) 18 * @mpc_oem_bus_info: platform specific mpc bus info 19 * @find_smp_config: find the smp configuration 20 * @get_smp_config: get the smp configuration 21 */ 22 struct x86_init_mpparse { 23 void (*mpc_record)(unsigned int mode); 24 void (*setup_ioapic_ids)(void); 25 int (*mpc_apic_id)(struct mpc_cpu *m); 26 void (*smp_read_mpc_oem)(struct mpc_table *mpc); 27 void (*mpc_oem_pci_bus)(struct mpc_bus *m); 28 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name); 29 void (*find_smp_config)(void); 30 void (*get_smp_config)(unsigned int early); 31 }; 32 33 /** 34 * struct x86_init_resources - platform specific resource related ops 35 * @probe_roms: probe BIOS roms 36 * @reserve_resources: reserve the standard resources for the 37 * platform 38 * @memory_setup: platform specific memory setup 39 * 40 */ 41 struct x86_init_resources { 42 void (*probe_roms)(void); 43 void (*reserve_resources)(void); 44 char *(*memory_setup)(void); 45 }; 46 47 /** 48 * struct x86_init_irqs - platform specific interrupt setup 49 * @pre_vector_init: init code to run before interrupt vectors 50 * are set up. 51 * @intr_init: interrupt init code 52 * @trap_init: platform specific trap setup 53 */ 54 struct x86_init_irqs { 55 void (*pre_vector_init)(void); 56 void (*intr_init)(void); 57 void (*trap_init)(void); 58 }; 59 60 /** 61 * struct x86_init_oem - oem platform specific customizing functions 62 * @arch_setup: platform specific architecure setup 63 * @banner: print a platform specific banner 64 */ 65 struct x86_init_oem { 66 void (*arch_setup)(void); 67 void (*banner)(void); 68 }; 69 70 /** 71 * struct x86_init_paging - platform specific paging functions 72 * @pagetable_setup_start: platform specific pre paging_init() call 73 * @pagetable_setup_done: platform specific post paging_init() call 74 */ 75 struct x86_init_paging { 76 void (*pagetable_setup_start)(pgd_t *base); 77 void (*pagetable_setup_done)(pgd_t *base); 78 }; 79 80 /** 81 * struct x86_init_timers - platform specific timer setup 82 * @setup_perpcu_clockev: set up the per cpu clock event device for the 83 * boot cpu 84 * @tsc_pre_init: platform function called before TSC init 85 * @timer_init: initialize the platform timer (default PIT/HPET) 86 * @wallclock_init: init the wallclock device 87 */ 88 struct x86_init_timers { 89 void (*setup_percpu_clockev)(void); 90 void (*tsc_pre_init)(void); 91 void (*timer_init)(void); 92 void (*wallclock_init)(void); 93 }; 94 95 /** 96 * struct x86_init_iommu - platform specific iommu setup 97 * @iommu_init: platform specific iommu setup 98 */ 99 struct x86_init_iommu { 100 int (*iommu_init)(void); 101 }; 102 103 /** 104 * struct x86_init_pci - platform specific pci init functions 105 * @arch_init: platform specific pci arch init call 106 * @init: platform specific pci subsystem init 107 * @init_irq: platform specific pci irq init 108 * @fixup_irqs: platform specific pci irq fixup 109 */ 110 struct x86_init_pci { 111 int (*arch_init)(void); 112 int (*init)(void); 113 void (*init_irq)(void); 114 void (*fixup_irqs)(void); 115 }; 116 117 /** 118 * struct x86_init_ops - functions for platform specific setup 119 * 120 */ 121 struct x86_init_ops { 122 struct x86_init_resources resources; 123 struct x86_init_mpparse mpparse; 124 struct x86_init_irqs irqs; 125 struct x86_init_oem oem; 126 struct x86_init_paging paging; 127 struct x86_init_timers timers; 128 struct x86_init_iommu iommu; 129 struct x86_init_pci pci; 130 }; 131 132 /** 133 * struct x86_cpuinit_ops - platform specific cpu hotplug setups 134 * @setup_percpu_clockev: set up the per cpu clock event device 135 */ 136 struct x86_cpuinit_ops { 137 void (*setup_percpu_clockev)(void); 138 }; 139 140 /** 141 * struct x86_platform_ops - platform specific runtime functions 142 * @calibrate_tsc: calibrate TSC 143 * @get_wallclock: get time from HW clock like RTC etc. 144 * @set_wallclock: set time back to HW clock 145 * @is_untracked_pat_range exclude from PAT logic 146 * @nmi_init enable NMI on cpus 147 * @i8042_detect pre-detect if i8042 controller exists 148 */ 149 struct x86_platform_ops { 150 unsigned long (*calibrate_tsc)(void); 151 unsigned long (*get_wallclock)(void); 152 int (*set_wallclock)(unsigned long nowtime); 153 void (*iommu_shutdown)(void); 154 bool (*is_untracked_pat_range)(u64 start, u64 end); 155 void (*nmi_init)(void); 156 int (*i8042_detect)(void); 157 }; 158 159 struct pci_dev; 160 161 struct x86_msi_ops { 162 int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); 163 void (*teardown_msi_irq)(unsigned int irq); 164 void (*teardown_msi_irqs)(struct pci_dev *dev); 165 }; 166 167 extern struct x86_init_ops x86_init; 168 extern struct x86_cpuinit_ops x86_cpuinit; 169 extern struct x86_platform_ops x86_platform; 170 extern struct x86_msi_ops x86_msi; 171 172 extern void x86_init_noop(void); 173 extern void x86_init_uint_noop(unsigned int unused); 174 175 #endif 176